!function (e, t, a) {
    /* code */
    var initCopyCode = function () {
      var copyHtml = '<button class="btn-copy" data-clipboard-snippet=""><i class="fa fa-clipboard"></i></button>';
      $(".highlight .code pre").before(copyHtml);
      new ClipboardJS('.btn-copy', {
        target: function (trigger) {
          return trigger.nextElementSibling;
        }
      });
    }
    initCopyCode();
  }(window, document);